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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.jxpath.ri.model;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    import java.util.HashSet;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.util.Locale;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>    import org.apache.commons.jxpath.AbstractFactory;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.apache.commons.jxpath.JXPathContext;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.apache.commons.jxpath.JXPathException;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.apache.commons.jxpath.NodeSet;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.commons.jxpath.Pointer;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.apache.commons.jxpath.ri.Compiler;<a name="line.27"></a>
<FONT color="green">028</FONT>    import org.apache.commons.jxpath.ri.JXPathContextReferenceImpl;<a name="line.28"></a>
<FONT color="green">029</FONT>    import org.apache.commons.jxpath.ri.NamespaceResolver;<a name="line.29"></a>
<FONT color="green">030</FONT>    import org.apache.commons.jxpath.ri.QName;<a name="line.30"></a>
<FONT color="green">031</FONT>    import org.apache.commons.jxpath.ri.compiler.NodeNameTest;<a name="line.31"></a>
<FONT color="green">032</FONT>    import org.apache.commons.jxpath.ri.compiler.NodeTest;<a name="line.32"></a>
<FONT color="green">033</FONT>    import org.apache.commons.jxpath.ri.compiler.NodeTypeTest;<a name="line.33"></a>
<FONT color="green">034</FONT>    import org.apache.commons.jxpath.ri.model.beans.NullPointer;<a name="line.34"></a>
<FONT color="green">035</FONT>    <a name="line.35"></a>
<FONT color="green">036</FONT>    /**<a name="line.36"></a>
<FONT color="green">037</FONT>     * Common superclass for Pointers of all kinds.  A NodePointer maps to<a name="line.37"></a>
<FONT color="green">038</FONT>     * a deterministic XPath that represents the location of a node in an<a name="line.38"></a>
<FONT color="green">039</FONT>     * object graph. This XPath uses only simple axes: child, namespace and<a name="line.39"></a>
<FONT color="green">040</FONT>     * attribute and only simple, context-independent predicates.<a name="line.40"></a>
<FONT color="green">041</FONT>     *<a name="line.41"></a>
<FONT color="green">042</FONT>     * @author Dmitri Plotnikov<a name="line.42"></a>
<FONT color="green">043</FONT>     * @version $Revision: 668329 $ $Date: 2008-06-16 16:59:48 -0500 (Mon, 16 Jun 2008) $<a name="line.43"></a>
<FONT color="green">044</FONT>     */<a name="line.44"></a>
<FONT color="green">045</FONT>    public abstract class NodePointer implements Pointer {<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>        /** Whole collection index. */<a name="line.47"></a>
<FONT color="green">048</FONT>        public static final int WHOLE_COLLECTION = Integer.MIN_VALUE;<a name="line.48"></a>
<FONT color="green">049</FONT>    <a name="line.49"></a>
<FONT color="green">050</FONT>        /** Constant to indicate unknown namespace */<a name="line.50"></a>
<FONT color="green">051</FONT>        public static final String UNKNOWN_NAMESPACE = "&lt;&lt;unknown namespace&gt;&gt;";<a name="line.51"></a>
<FONT color="green">052</FONT>    <a name="line.52"></a>
<FONT color="green">053</FONT>        /** Index for this NodePointer */<a name="line.53"></a>
<FONT color="green">054</FONT>        protected int index = WHOLE_COLLECTION;<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>        private boolean attribute = false;<a name="line.56"></a>
<FONT color="green">057</FONT>        private NamespaceResolver namespaceResolver;<a name="line.57"></a>
<FONT color="green">058</FONT>        private transient Object rootNode;<a name="line.58"></a>
<FONT color="green">059</FONT>    <a name="line.59"></a>
<FONT color="green">060</FONT>        /**<a name="line.60"></a>
<FONT color="green">061</FONT>         * Allocates an entirely new NodePointer by iterating through all installed<a name="line.61"></a>
<FONT color="green">062</FONT>         * NodePointerFactories until it finds one that can create a pointer.<a name="line.62"></a>
<FONT color="green">063</FONT>         * @param name QName<a name="line.63"></a>
<FONT color="green">064</FONT>         * @param bean Object<a name="line.64"></a>
<FONT color="green">065</FONT>         * @param locale Locale<a name="line.65"></a>
<FONT color="green">066</FONT>         * @return NodePointer<a name="line.66"></a>
<FONT color="green">067</FONT>         */<a name="line.67"></a>
<FONT color="green">068</FONT>        public static NodePointer newNodePointer(<a name="line.68"></a>
<FONT color="green">069</FONT>            QName name,<a name="line.69"></a>
<FONT color="green">070</FONT>            Object bean,<a name="line.70"></a>
<FONT color="green">071</FONT>            Locale locale) {<a name="line.71"></a>
<FONT color="green">072</FONT>            NodePointer pointer = null;<a name="line.72"></a>
<FONT color="green">073</FONT>            if (bean == null) {<a name="line.73"></a>
<FONT color="green">074</FONT>                pointer = new NullPointer(name, locale);<a name="line.74"></a>
<FONT color="green">075</FONT>                return pointer;<a name="line.75"></a>
<FONT color="green">076</FONT>            }<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>            NodePointerFactory[] factories =<a name="line.78"></a>
<FONT color="green">079</FONT>                JXPathContextReferenceImpl.getNodePointerFactories();<a name="line.79"></a>
<FONT color="green">080</FONT>            for (int i = 0; i &lt; factories.length; i++) {<a name="line.80"></a>
<FONT color="green">081</FONT>                pointer = factories[i].createNodePointer(name, bean, locale);<a name="line.81"></a>
<FONT color="green">082</FONT>                if (pointer != null) {<a name="line.82"></a>
<FONT color="green">083</FONT>                    return pointer;<a name="line.83"></a>
<FONT color="green">084</FONT>                }<a name="line.84"></a>
<FONT color="green">085</FONT>            }<a name="line.85"></a>
<FONT color="green">086</FONT>            throw new JXPathException(<a name="line.86"></a>
<FONT color="green">087</FONT>                "Could not allocate a NodePointer for object of "<a name="line.87"></a>
<FONT color="green">088</FONT>                    + bean.getClass());<a name="line.88"></a>
<FONT color="green">089</FONT>        }<a name="line.89"></a>
<FONT color="green">090</FONT>    <a name="line.90"></a>
<FONT color="green">091</FONT>        /**<a name="line.91"></a>
<FONT color="green">092</FONT>         * Allocates an new child NodePointer by iterating through all installed<a name="line.92"></a>
<FONT color="green">093</FONT>         * NodePointerFactories until it finds one that can create a pointer.<a name="line.93"></a>
<FONT color="green">094</FONT>         * @param parent pointer<a name="line.94"></a>
<FONT color="green">095</FONT>         * @param name QName<a name="line.95"></a>
<FONT color="green">096</FONT>         * @param bean Object<a name="line.96"></a>
<FONT color="green">097</FONT>         * @return NodePointer<a name="line.97"></a>
<FONT color="green">098</FONT>         */<a name="line.98"></a>
<FONT color="green">099</FONT>        public static NodePointer newChildNodePointer(<a name="line.99"></a>
<FONT color="green">100</FONT>            NodePointer parent,<a name="line.100"></a>
<FONT color="green">101</FONT>            QName name,<a name="line.101"></a>
<FONT color="green">102</FONT>            Object bean) {<a name="line.102"></a>
<FONT color="green">103</FONT>            NodePointerFactory[] factories =<a name="line.103"></a>
<FONT color="green">104</FONT>                JXPathContextReferenceImpl.getNodePointerFactories();<a name="line.104"></a>
<FONT color="green">105</FONT>            for (int i = 0; i &lt; factories.length; i++) {<a name="line.105"></a>
<FONT color="green">106</FONT>                NodePointer pointer =<a name="line.106"></a>
<FONT color="green">107</FONT>                    factories[i].createNodePointer(parent, name, bean);<a name="line.107"></a>
<FONT color="green">108</FONT>                if (pointer != null) {<a name="line.108"></a>
<FONT color="green">109</FONT>                    return pointer;<a name="line.109"></a>
<FONT color="green">110</FONT>                }<a name="line.110"></a>
<FONT color="green">111</FONT>            }<a name="line.111"></a>
<FONT color="green">112</FONT>            throw new JXPathException(<a name="line.112"></a>
<FONT color="green">113</FONT>                "Could not allocate a NodePointer for object of "<a name="line.113"></a>
<FONT color="green">114</FONT>                    + bean.getClass());<a name="line.114"></a>
<FONT color="green">115</FONT>        }<a name="line.115"></a>
<FONT color="green">116</FONT>    <a name="line.116"></a>
<FONT color="green">117</FONT>        /** Parent pointer */<a name="line.117"></a>
<FONT color="green">118</FONT>        protected NodePointer parent;<a name="line.118"></a>
<FONT color="green">119</FONT>    <a name="line.119"></a>
<FONT color="green">120</FONT>        /** Locale */<a name="line.120"></a>
<FONT color="green">121</FONT>        protected Locale locale;<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>        /**<a name="line.123"></a>
<FONT color="green">124</FONT>         * Create a new NodePointer.<a name="line.124"></a>
<FONT color="green">125</FONT>         * @param parent Pointer<a name="line.125"></a>
<FONT color="green">126</FONT>         */<a name="line.126"></a>
<FONT color="green">127</FONT>        protected NodePointer(NodePointer parent) {<a name="line.127"></a>
<FONT color="green">128</FONT>            this.parent = parent;<a name="line.128"></a>
<FONT color="green">129</FONT>        }<a name="line.129"></a>
<FONT color="green">130</FONT>    <a name="line.130"></a>
<FONT color="green">131</FONT>        /**<a name="line.131"></a>
<FONT color="green">132</FONT>         * Create a new NodePointer.<a name="line.132"></a>
<FONT color="green">133</FONT>         * @param parent Pointer<a name="line.133"></a>
<FONT color="green">134</FONT>         * @param locale Locale<a name="line.134"></a>
<FONT color="green">135</FONT>         */<a name="line.135"></a>
<FONT color="green">136</FONT>        protected NodePointer(NodePointer parent, Locale locale) {<a name="line.136"></a>
<FONT color="green">137</FONT>            this.parent = parent;<a name="line.137"></a>
<FONT color="green">138</FONT>            this.locale = locale;<a name="line.138"></a>
<FONT color="green">139</FONT>        }<a name="line.139"></a>
<FONT color="green">140</FONT>    <a name="line.140"></a>
<FONT color="green">141</FONT>        /**<a name="line.141"></a>
<FONT color="green">142</FONT>         * Get the NamespaceResolver associated with this NodePointer.<a name="line.142"></a>
<FONT color="green">143</FONT>         * @return NamespaceResolver<a name="line.143"></a>
<FONT color="green">144</FONT>         */<a name="line.144"></a>
<FONT color="green">145</FONT>        public NamespaceResolver getNamespaceResolver() {<a name="line.145"></a>
<FONT color="green">146</FONT>            if (namespaceResolver == null &amp;&amp; parent != null) {<a name="line.146"></a>
<FONT color="green">147</FONT>                namespaceResolver = parent.getNamespaceResolver();<a name="line.147"></a>
<FONT color="green">148</FONT>            }<a name="line.148"></a>
<FONT color="green">149</FONT>            return namespaceResolver;<a name="line.149"></a>
<FONT color="green">150</FONT>        }<a name="line.150"></a>
<FONT color="green">151</FONT>    <a name="line.151"></a>
<FONT color="green">152</FONT>        /**<a name="line.152"></a>
<FONT color="green">153</FONT>         * Set the NamespaceResolver for this NodePointer.<a name="line.153"></a>
<FONT color="green">154</FONT>         * @param namespaceResolver NamespaceResolver<a name="line.154"></a>
<FONT color="green">155</FONT>         */<a name="line.155"></a>
<FONT color="green">156</FONT>        public void setNamespaceResolver(NamespaceResolver namespaceResolver) {<a name="line.156"></a>
<FONT color="green">157</FONT>            this.namespaceResolver = namespaceResolver;<a name="line.157"></a>
<FONT color="green">158</FONT>        }<a name="line.158"></a>
<FONT color="green">159</FONT>    <a name="line.159"></a>
<FONT color="green">160</FONT>        /**<a name="line.160"></a>
<FONT color="green">161</FONT>         * Get the parent pointer.<a name="line.161"></a>
<FONT color="green">162</FONT>         * @return NodePointer<a name="line.162"></a>
<FONT color="green">163</FONT>         */<a name="line.163"></a>
<FONT color="green">164</FONT>        public NodePointer getParent() {<a name="line.164"></a>
<FONT color="green">165</FONT>            NodePointer pointer = parent;<a name="line.165"></a>
<FONT color="green">166</FONT>            while (pointer != null &amp;&amp; pointer.isContainer()) {<a name="line.166"></a>
<FONT color="green">167</FONT>                pointer = pointer.getImmediateParentPointer();<a name="line.167"></a>
<FONT color="green">168</FONT>            }<a name="line.168"></a>
<FONT color="green">169</FONT>            return pointer;<a name="line.169"></a>
<FONT color="green">170</FONT>        }<a name="line.170"></a>
<FONT color="green">171</FONT>    <a name="line.171"></a>
<FONT color="green">172</FONT>        /**<a name="line.172"></a>
<FONT color="green">173</FONT>         * Get the immediate parent pointer.<a name="line.173"></a>
<FONT color="green">174</FONT>         * @return NodePointer<a name="line.174"></a>
<FONT color="green">175</FONT>         */<a name="line.175"></a>
<FONT color="green">176</FONT>        public NodePointer getImmediateParentPointer() {<a name="line.176"></a>
<FONT color="green">177</FONT>            return parent;<a name="line.177"></a>
<FONT color="green">178</FONT>        }<a name="line.178"></a>
<FONT color="green">179</FONT>    <a name="line.179"></a>
<FONT color="green">180</FONT>        /**<a name="line.180"></a>
<FONT color="green">181</FONT>         * Set to true if the pointer represents the "attribute::" axis.<a name="line.181"></a>
<FONT color="green">182</FONT>         * @param attribute boolean<a name="line.182"></a>
<FONT color="green">183</FONT>         */<a name="line.183"></a>
<FONT color="green">184</FONT>        public void setAttribute(boolean attribute) {<a name="line.184"></a>
<FONT color="green">185</FONT>            this.attribute = attribute;<a name="line.185"></a>
<FONT color="green">186</FONT>        }<a name="line.186"></a>
<FONT color="green">187</FONT>    <a name="line.187"></a>
<FONT color="green">188</FONT>        /**<a name="line.188"></a>
<FONT color="green">189</FONT>         * Returns true if the pointer represents the "attribute::" axis.<a name="line.189"></a>
<FONT color="green">190</FONT>         * @return boolean<a name="line.190"></a>
<FONT color="green">191</FONT>         */<a name="line.191"></a>
<FONT color="green">192</FONT>        public boolean isAttribute() {<a name="line.192"></a>
<FONT color="green">193</FONT>            return attribute;<a name="line.193"></a>
<FONT color="green">194</FONT>        }<a name="line.194"></a>
<FONT color="green">195</FONT>    <a name="line.195"></a>
<FONT color="green">196</FONT>        /**<a name="line.196"></a>
<FONT color="green">197</FONT>         * Returns true if this Pointer has no parent.<a name="line.197"></a>
<FONT color="green">198</FONT>         * @return boolean<a name="line.198"></a>
<FONT color="green">199</FONT>         */<a name="line.199"></a>
<FONT color="green">200</FONT>        public boolean isRoot() {<a name="line.200"></a>
<FONT color="green">201</FONT>            return parent == null;<a name="line.201"></a>
<FONT color="green">202</FONT>        }<a name="line.202"></a>
<FONT color="green">203</FONT>    <a name="line.203"></a>
<FONT color="green">204</FONT>        /**<a name="line.204"></a>
<FONT color="green">205</FONT>         * If true, this node does not have children<a name="line.205"></a>
<FONT color="green">206</FONT>         * @return boolean<a name="line.206"></a>
<FONT color="green">207</FONT>         */<a name="line.207"></a>
<FONT color="green">208</FONT>        public abstract boolean isLeaf();<a name="line.208"></a>
<FONT color="green">209</FONT>    <a name="line.209"></a>
<FONT color="green">210</FONT>        /**<a name="line.210"></a>
<FONT color="green">211</FONT>         * Learn whether this pointer is considered to be a node.<a name="line.211"></a>
<FONT color="green">212</FONT>         * @return boolean<a name="line.212"></a>
<FONT color="green">213</FONT>         * @deprecated Please use !isContainer()<a name="line.213"></a>
<FONT color="green">214</FONT>         */<a name="line.214"></a>
<FONT color="green">215</FONT>        public boolean isNode() {<a name="line.215"></a>
<FONT color="green">216</FONT>            return !isContainer();<a name="line.216"></a>
<FONT color="green">217</FONT>        }<a name="line.217"></a>
<FONT color="green">218</FONT>    <a name="line.218"></a>
<FONT color="green">219</FONT>        /**<a name="line.219"></a>
<FONT color="green">220</FONT>         * If true, this node is auxiliary and can only be used as an intermediate in<a name="line.220"></a>
<FONT color="green">221</FONT>         * the chain of pointers.<a name="line.221"></a>
<FONT color="green">222</FONT>         * @return boolean<a name="line.222"></a>
<FONT color="green">223</FONT>         */<a name="line.223"></a>
<FONT color="green">224</FONT>        public boolean isContainer() {<a name="line.224"></a>
<FONT color="green">225</FONT>            return false;<a name="line.225"></a>
<FONT color="green">226</FONT>        }<a name="line.226"></a>
<FONT color="green">227</FONT>    <a name="line.227"></a>
<FONT color="green">228</FONT>        /**<a name="line.228"></a>
<FONT color="green">229</FONT>         * If the pointer represents a collection, the index identifies<a name="line.229"></a>
<FONT color="green">230</FONT>         * an element of that collection.  The default value of &lt;code&gt;index&lt;/code&gt;<a name="line.230"></a>
<FONT color="green">231</FONT>         * is &lt;code&gt;WHOLE_COLLECTION&lt;/code&gt;, which just means that the pointer<a name="line.231"></a>
<FONT color="green">232</FONT>         * is not indexed at all.<a name="line.232"></a>
<FONT color="green">233</FONT>         * Note: the index on NodePointer starts with 0, not 1.<a name="line.233"></a>
<FONT color="green">234</FONT>         * @return int<a name="line.234"></a>
<FONT color="green">235</FONT>         */<a name="line.235"></a>
<FONT color="green">236</FONT>        public int getIndex() {<a name="line.236"></a>
<FONT color="green">237</FONT>            return index;<a name="line.237"></a>
<FONT color="green">238</FONT>        }<a name="line.238"></a>
<FONT color="green">239</FONT>    <a name="line.239"></a>
<FONT color="green">240</FONT>        /**<a name="line.240"></a>
<FONT color="green">241</FONT>         * Set the index of this NodePointer.<a name="line.241"></a>
<FONT color="green">242</FONT>         * @param index int<a name="line.242"></a>
<FONT color="green">243</FONT>         */<a name="line.243"></a>
<FONT color="green">244</FONT>        public void setIndex(int index) {<a name="line.244"></a>
<FONT color="green">245</FONT>            this.index = index;<a name="line.245"></a>
<FONT color="green">246</FONT>        }<a name="line.246"></a>
<FONT color="green">247</FONT>    <a name="line.247"></a>
<FONT color="green">248</FONT>        /**<a name="line.248"></a>
<FONT color="green">249</FONT>         * Returns &lt;code&gt;true&lt;/code&gt; if the value of the pointer is an array or<a name="line.249"></a>
<FONT color="green">250</FONT>         * a Collection.<a name="line.250"></a>
<FONT color="green">251</FONT>         * @return boolean<a name="line.251"></a>
<FONT color="green">252</FONT>         */<a name="line.252"></a>
<FONT color="green">253</FONT>        public abstract boolean isCollection();<a name="line.253"></a>
<FONT color="green">254</FONT>    <a name="line.254"></a>
<FONT color="green">255</FONT>        /**<a name="line.255"></a>
<FONT color="green">256</FONT>         * If the pointer represents a collection (or collection element),<a name="line.256"></a>
<FONT color="green">257</FONT>         * returns the length of the collection.<a name="line.257"></a>
<FONT color="green">258</FONT>         * Otherwise returns 1 (even if the value is null).<a name="line.258"></a>
<FONT color="green">259</FONT>         * @return int<a name="line.259"></a>
<FONT color="green">260</FONT>         */<a name="line.260"></a>
<FONT color="green">261</FONT>        public abstract int getLength();<a name="line.261"></a>
<FONT color="green">262</FONT>    <a name="line.262"></a>
<FONT color="green">263</FONT>        /**<a name="line.263"></a>
<FONT color="green">264</FONT>         * By default, returns &lt;code&gt;getNode()&lt;/code&gt;, can be overridden to<a name="line.264"></a>
<FONT color="green">265</FONT>         * return a "canonical" value, like for instance a DOM element should<a name="line.265"></a>
<FONT color="green">266</FONT>         * return its string value.<a name="line.266"></a>
<FONT color="green">267</FONT>         * @return Object value<a name="line.267"></a>
<FONT color="green">268</FONT>         */<a name="line.268"></a>
<FONT color="green">269</FONT>        public Object getValue() {<a name="line.269"></a>
<FONT color="green">270</FONT>            NodePointer valuePointer = getValuePointer();<a name="line.270"></a>
<FONT color="green">271</FONT>            if (valuePointer != this) {<a name="line.271"></a>
<FONT color="green">272</FONT>                return valuePointer.getValue();<a name="line.272"></a>
<FONT color="green">273</FONT>            }<a name="line.273"></a>
<FONT color="green">274</FONT>            // Default behavior is to return the same as getNode()<a name="line.274"></a>
<FONT color="green">275</FONT>            return getNode();<a name="line.275"></a>
<FONT color="green">276</FONT>        }<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>        /**<a name="line.278"></a>
<FONT color="green">279</FONT>         * If this pointer manages a transparent container, like a variable,<a name="line.279"></a>
<FONT color="green">280</FONT>         * this method returns the pointer to the contents.<a name="line.280"></a>
<FONT color="green">281</FONT>         * Only an auxiliary (non-node) pointer can (and should) return a<a name="line.281"></a>
<FONT color="green">282</FONT>         * value pointer other than itself.<a name="line.282"></a>
<FONT color="green">283</FONT>         * Note that you probably don't want to override<a name="line.283"></a>
<FONT color="green">284</FONT>         * &lt;code&gt;getValuePointer()&lt;/code&gt; directly.  Override the<a name="line.284"></a>
<FONT color="green">285</FONT>         * &lt;code&gt;getImmediateValuePointer()&lt;/code&gt; method instead.  The<a name="line.285"></a>
<FONT color="green">286</FONT>         * &lt;code&gt;getValuePointer()&lt;/code&gt; method is calls<a name="line.286"></a>
<FONT color="green">287</FONT>         * &lt;code&gt;getImmediateValuePointer()&lt;/code&gt; and, if the result is not<a name="line.287"></a>
<FONT color="green">288</FONT>         * &lt;code&gt;this&lt;/code&gt;, invokes &lt;code&gt;getValuePointer()&lt;/code&gt; recursively.<a name="line.288"></a>
<FONT color="green">289</FONT>         * The idea here is to open all nested containers. Let's say we have a<a name="line.289"></a>
<FONT color="green">290</FONT>         * container within a container within a container. The<a name="line.290"></a>
<FONT color="green">291</FONT>         * &lt;code&gt;getValuePointer()&lt;/code&gt; method should then open all those<a name="line.291"></a>
<FONT color="green">292</FONT>         * containers and return the pointer to the ultimate contents. It does so<a name="line.292"></a>
<FONT color="green">293</FONT>         * with the above recursion.<a name="line.293"></a>
<FONT color="green">294</FONT>         * @return NodePointer<a name="line.294"></a>
<FONT color="green">295</FONT>         */<a name="line.295"></a>
<FONT color="green">296</FONT>        public NodePointer getValuePointer() {<a name="line.296"></a>
<FONT color="green">297</FONT>            NodePointer ivp = getImmediateValuePointer();<a name="line.297"></a>
<FONT color="green">298</FONT>            return ivp == this ? this : ivp.getValuePointer();<a name="line.298"></a>
<FONT color="green">299</FONT>        }<a name="line.299"></a>
<FONT color="green">300</FONT>    <a name="line.300"></a>
<FONT color="green">301</FONT>        /**<a name="line.301"></a>
<FONT color="green">302</FONT>         * @see #getValuePointer()<a name="line.302"></a>
<FONT color="green">303</FONT>         *<a name="line.303"></a>
<FONT color="green">304</FONT>         * @return NodePointer is either &lt;code&gt;this&lt;/code&gt; or a pointer<a name="line.304"></a>
<FONT color="green">305</FONT>         *   for the immediately contained value.<a name="line.305"></a>
<FONT color="green">306</FONT>         */<a name="line.306"></a>
<FONT color="green">307</FONT>        public NodePointer getImmediateValuePointer() {<a name="line.307"></a>
<FONT color="green">308</FONT>            return this;<a name="line.308"></a>
<FONT color="green">309</FONT>        }<a name="line.309"></a>
<FONT color="green">310</FONT>    <a name="line.310"></a>
<FONT color="green">311</FONT>        /**<a name="line.311"></a>
<FONT color="green">312</FONT>         * An actual pointer points to an existing part of an object graph, even<a name="line.312"></a>
<FONT color="green">313</FONT>         * if it is null. A non-actual pointer represents a part that does not exist<a name="line.313"></a>
<FONT color="green">314</FONT>         * at all.<a name="line.314"></a>
<FONT color="green">315</FONT>         * For instance consider the pointer "/address/street".<a name="line.315"></a>
<FONT color="green">316</FONT>         * If both &lt;em&gt;address&lt;/em&gt; and &lt;em&gt;street&lt;/em&gt; are not null,<a name="line.316"></a>
<FONT color="green">317</FONT>         * the pointer is actual.<a name="line.317"></a>
<FONT color="green">318</FONT>         * If &lt;em&gt;address&lt;/em&gt; is not null, but &lt;em&gt;street&lt;/em&gt; is null,<a name="line.318"></a>
<FONT color="green">319</FONT>         * the pointer is still actual.<a name="line.319"></a>
<FONT color="green">320</FONT>         * If &lt;em&gt;address&lt;/em&gt; is null, the pointer is not actual.<a name="line.320"></a>
<FONT color="green">321</FONT>         * (In JavaBeans) if &lt;em&gt;address&lt;/em&gt; is not a property of the root bean,<a name="line.321"></a>
<FONT color="green">322</FONT>         * a Pointer for this path cannot be obtained at all - actual or otherwise.<a name="line.322"></a>
<FONT color="green">323</FONT>         * @return boolean<a name="line.323"></a>
<FONT color="green">324</FONT>         */<a name="line.324"></a>
<FONT color="green">325</FONT>        public boolean isActual() {<a name="line.325"></a>
<FONT color="green">326</FONT>            return index == WHOLE_COLLECTION || index &gt;= 0 &amp;&amp; index &lt; getLength();<a name="line.326"></a>
<FONT color="green">327</FONT>        }<a name="line.327"></a>
<FONT color="green">328</FONT>    <a name="line.328"></a>
<FONT color="green">329</FONT>        /**<a name="line.329"></a>
<FONT color="green">330</FONT>         * Returns the name of this node. Can be null.<a name="line.330"></a>
<FONT color="green">331</FONT>         * @return QName<a name="line.331"></a>
<FONT color="green">332</FONT>         */<a name="line.332"></a>
<FONT color="green">333</FONT>        public abstract QName getName();<a name="line.333"></a>
<FONT color="green">334</FONT>    <a name="line.334"></a>
<FONT color="green">335</FONT>        /**<a name="line.335"></a>
<FONT color="green">336</FONT>         * Returns the value represented by the pointer before indexing.<a name="line.336"></a>
<FONT color="green">337</FONT>         * So, if the node represents an element of a collection, this<a name="line.337"></a>
<FONT color="green">338</FONT>         * method returns the collection itself.<a name="line.338"></a>
<FONT color="green">339</FONT>         * @return Object value<a name="line.339"></a>
<FONT color="green">340</FONT>         */<a name="line.340"></a>
<FONT color="green">341</FONT>        public abstract Object getBaseValue();<a name="line.341"></a>
<FONT color="green">342</FONT>    <a name="line.342"></a>
<FONT color="green">343</FONT>        /**<a name="line.343"></a>
<FONT color="green">344</FONT>         * Returns the object the pointer points to; does not convert it<a name="line.344"></a>
<FONT color="green">345</FONT>         * to a "canonical" type.<a name="line.345"></a>
<FONT color="green">346</FONT>         * @return Object node value<a name="line.346"></a>
<FONT color="green">347</FONT>         * @deprecated 1.1 Please use getNode()<a name="line.347"></a>
<FONT color="green">348</FONT>         */<a name="line.348"></a>
<FONT color="green">349</FONT>        public Object getNodeValue() {<a name="line.349"></a>
<FONT color="green">350</FONT>            return getNode();<a name="line.350"></a>
<FONT color="green">351</FONT>        }<a name="line.351"></a>
<FONT color="green">352</FONT>    <a name="line.352"></a>
<FONT color="green">353</FONT>        /**<a name="line.353"></a>
<FONT color="green">354</FONT>         * Returns the object the pointer points to; does not convert it<a name="line.354"></a>
<FONT color="green">355</FONT>         * to a "canonical" type. Opens containers, properties etc and returns<a name="line.355"></a>
<FONT color="green">356</FONT>         * the ultimate contents.<a name="line.356"></a>
<FONT color="green">357</FONT>         * @return Object node<a name="line.357"></a>
<FONT color="green">358</FONT>         */<a name="line.358"></a>
<FONT color="green">359</FONT>        public Object getNode() {<a name="line.359"></a>
<FONT color="green">360</FONT>            return getValuePointer().getImmediateNode();<a name="line.360"></a>
<FONT color="green">361</FONT>        }<a name="line.361"></a>
<FONT color="green">362</FONT>    <a name="line.362"></a>
<FONT color="green">363</FONT>        /**<a name="line.363"></a>
<FONT color="green">364</FONT>         * Get the root node.<a name="line.364"></a>
<FONT color="green">365</FONT>         * @return Object value of this pointer's root (top parent).<a name="line.365"></a>
<FONT color="green">366</FONT>         */<a name="line.366"></a>
<FONT color="green">367</FONT>        public synchronized Object getRootNode() {<a name="line.367"></a>
<FONT color="green">368</FONT>            if (rootNode == null) {<a name="line.368"></a>
<FONT color="green">369</FONT>                rootNode = parent == null ? getImmediateNode() : parent.getRootNode();<a name="line.369"></a>
<FONT color="green">370</FONT>            }<a name="line.370"></a>
<FONT color="green">371</FONT>            return rootNode;<a name="line.371"></a>
<FONT color="green">372</FONT>        }<a name="line.372"></a>
<FONT color="green">373</FONT>    <a name="line.373"></a>
<FONT color="green">374</FONT>        /**<a name="line.374"></a>
<FONT color="green">375</FONT>         * Returns the object the pointer points to; does not convert it<a name="line.375"></a>
<FONT color="green">376</FONT>         * to a "canonical" type.<a name="line.376"></a>
<FONT color="green">377</FONT>         * @return Object node<a name="line.377"></a>
<FONT color="green">378</FONT>         */<a name="line.378"></a>
<FONT color="green">379</FONT>        public abstract Object getImmediateNode();<a name="line.379"></a>
<FONT color="green">380</FONT>    <a name="line.380"></a>
<FONT color="green">381</FONT>        /**<a name="line.381"></a>
<FONT color="green">382</FONT>         * Converts the value to the required type and changes the corresponding<a name="line.382"></a>
<FONT color="green">383</FONT>         * object to that value.<a name="line.383"></a>
<FONT color="green">384</FONT>         * @param value the value to set<a name="line.384"></a>
<FONT color="green">385</FONT>         */<a name="line.385"></a>
<FONT color="green">386</FONT>        public abstract void setValue(Object value);<a name="line.386"></a>
<FONT color="green">387</FONT>    <a name="line.387"></a>
<FONT color="green">388</FONT>        /**<a name="line.388"></a>
<FONT color="green">389</FONT>         * Compares two child NodePointers and returns a positive number,<a name="line.389"></a>
<FONT color="green">390</FONT>         * zero or a positive number according to the order of the pointers.<a name="line.390"></a>
<FONT color="green">391</FONT>         * @param pointer1 first pointer to be compared<a name="line.391"></a>
<FONT color="green">392</FONT>         * @param pointer2 second pointer to be compared<a name="line.392"></a>
<FONT color="green">393</FONT>         * @return int per Java comparison conventions<a name="line.393"></a>
<FONT color="green">394</FONT>         */<a name="line.394"></a>
<FONT color="green">395</FONT>        public abstract int compareChildNodePointers(<a name="line.395"></a>
<FONT color="green">396</FONT>                NodePointer pointer1, NodePointer pointer2);<a name="line.396"></a>
<FONT color="green">397</FONT>    <a name="line.397"></a>
<FONT color="green">398</FONT>        /**<a name="line.398"></a>
<FONT color="green">399</FONT>         * Checks if this Pointer matches the supplied NodeTest.<a name="line.399"></a>
<FONT color="green">400</FONT>         * @param test the NodeTest to execute<a name="line.400"></a>
<FONT color="green">401</FONT>         * @return true if a match<a name="line.401"></a>
<FONT color="green">402</FONT>         */<a name="line.402"></a>
<FONT color="green">403</FONT>        public boolean testNode(NodeTest test) {<a name="line.403"></a>
<FONT color="green">404</FONT>            if (test == null) {<a name="line.404"></a>
<FONT color="green">405</FONT>                return true;<a name="line.405"></a>
<FONT color="green">406</FONT>            }<a name="line.406"></a>
<FONT color="green">407</FONT>            if (test instanceof NodeNameTest) {<a name="line.407"></a>
<FONT color="green">408</FONT>                if (isContainer()) {<a name="line.408"></a>
<FONT color="green">409</FONT>                    return false;<a name="line.409"></a>
<FONT color="green">410</FONT>                }<a name="line.410"></a>
<FONT color="green">411</FONT>                NodeNameTest nodeNameTest = (NodeNameTest) test;<a name="line.411"></a>
<FONT color="green">412</FONT>                QName testName = nodeNameTest.getNodeName();<a name="line.412"></a>
<FONT color="green">413</FONT>                QName nodeName = getName();<a name="line.413"></a>
<FONT color="green">414</FONT>                if (nodeName == null) {<a name="line.414"></a>
<FONT color="green">415</FONT>                    return false;<a name="line.415"></a>
<FONT color="green">416</FONT>                }<a name="line.416"></a>
<FONT color="green">417</FONT>    <a name="line.417"></a>
<FONT color="green">418</FONT>                String testPrefix = testName.getPrefix();<a name="line.418"></a>
<FONT color="green">419</FONT>                String nodePrefix = nodeName.getPrefix();<a name="line.419"></a>
<FONT color="green">420</FONT>                if (!equalStrings(testPrefix, nodePrefix)) {<a name="line.420"></a>
<FONT color="green">421</FONT>                    String testNS = getNamespaceURI(testPrefix);<a name="line.421"></a>
<FONT color="green">422</FONT>                    String nodeNS = getNamespaceURI(nodePrefix);<a name="line.422"></a>
<FONT color="green">423</FONT>                    if (!equalStrings(testNS, nodeNS)) {<a name="line.423"></a>
<FONT color="green">424</FONT>                        return false;<a name="line.424"></a>
<FONT color="green">425</FONT>                    }<a name="line.425"></a>
<FONT color="green">426</FONT>                }<a name="line.426"></a>
<FONT color="green">427</FONT>                if (nodeNameTest.isWildcard()) {<a name="line.427"></a>
<FONT color="green">428</FONT>                    return true;<a name="line.428"></a>
<FONT color="green">429</FONT>                }<a name="line.429"></a>
<FONT color="green">430</FONT>                return testName.getName().equals(nodeName.getName());<a name="line.430"></a>
<FONT color="green">431</FONT>            }<a name="line.431"></a>
<FONT color="green">432</FONT>            return test instanceof NodeTypeTest<a name="line.432"></a>
<FONT color="green">433</FONT>                    &amp;&amp; ((NodeTypeTest) test).getNodeType() == Compiler.NODE_TYPE_NODE &amp;&amp; isNode();<a name="line.433"></a>
<FONT color="green">434</FONT>        }<a name="line.434"></a>
<FONT color="green">435</FONT>    <a name="line.435"></a>
<FONT color="green">436</FONT>        /**<a name="line.436"></a>
<FONT color="green">437</FONT>         * Compare two strings, either of which may be null, for equality.<a name="line.437"></a>
<FONT color="green">438</FONT>         * @param s1 the first String to compare<a name="line.438"></a>
<FONT color="green">439</FONT>         * @param s2 the second String to compare<a name="line.439"></a>
<FONT color="green">440</FONT>         * @return true if both Strings are null, same or equal<a name="line.440"></a>
<FONT color="green">441</FONT>         */<a name="line.441"></a>
<FONT color="green">442</FONT>        private static boolean equalStrings(String s1, String s2) {<a name="line.442"></a>
<FONT color="green">443</FONT>            return s1 == s2 || s1 != null &amp;&amp; s1.equals(s2);<a name="line.443"></a>
<FONT color="green">444</FONT>        }<a name="line.444"></a>
<FONT color="green">445</FONT>    <a name="line.445"></a>
<FONT color="green">446</FONT>        /**<a name="line.446"></a>
<FONT color="green">447</FONT>         *  Called directly by JXPathContext. Must create path and<a name="line.447"></a>
<FONT color="green">448</FONT>         *  set value.<a name="line.448"></a>
<FONT color="green">449</FONT>         *  @param context the owning JXPathContext<a name="line.449"></a>
<FONT color="green">450</FONT>         *  @param value the new value to set<a name="line.450"></a>
<FONT color="green">451</FONT>         *  @return created NodePointer<a name="line.451"></a>
<FONT color="green">452</FONT>         */<a name="line.452"></a>
<FONT color="green">453</FONT>        public NodePointer createPath(JXPathContext context, Object value) {<a name="line.453"></a>
<FONT color="green">454</FONT>            setValue(value);<a name="line.454"></a>
<FONT color="green">455</FONT>            return this;<a name="line.455"></a>
<FONT color="green">456</FONT>        }<a name="line.456"></a>
<FONT color="green">457</FONT>    <a name="line.457"></a>
<FONT color="green">458</FONT>        /**<a name="line.458"></a>
<FONT color="green">459</FONT>         * Remove the node of the object graph this pointer points to.<a name="line.459"></a>
<FONT color="green">460</FONT>         */<a name="line.460"></a>
<FONT color="green">461</FONT>        public void remove() {<a name="line.461"></a>
<FONT color="green">462</FONT>            // It is a no-op<a name="line.462"></a>
<FONT color="green">463</FONT>    <a name="line.463"></a>
<FONT color="green">464</FONT>    //        System.err.println("REMOVING: " + asPath() + " " + getClass());<a name="line.464"></a>
<FONT color="green">465</FONT>    //        printPointerChain();<a name="line.465"></a>
<FONT color="green">466</FONT>        }<a name="line.466"></a>
<FONT color="green">467</FONT>    <a name="line.467"></a>
<FONT color="green">468</FONT>        /**<a name="line.468"></a>
<FONT color="green">469</FONT>         * Called by a child pointer when it needs to create a parent object.<a name="line.469"></a>
<FONT color="green">470</FONT>         * Must create an object described by this pointer and return<a name="line.470"></a>
<FONT color="green">471</FONT>         * a new pointer that properly describes the new object.<a name="line.471"></a>
<FONT color="green">472</FONT>         * @param context the owning JXPathContext<a name="line.472"></a>
<FONT color="green">473</FONT>         * @return created NodePointer<a name="line.473"></a>
<FONT color="green">474</FONT>         */<a name="line.474"></a>
<FONT color="green">475</FONT>        public NodePointer createPath(JXPathContext context) {<a name="line.475"></a>
<FONT color="green">476</FONT>            return this;<a name="line.476"></a>
<FONT color="green">477</FONT>        }<a name="line.477"></a>
<FONT color="green">478</FONT>    <a name="line.478"></a>
<FONT color="green">479</FONT>        /**<a name="line.479"></a>
<FONT color="green">480</FONT>         * Called by a child pointer if that child needs to assign the value<a name="line.480"></a>
<FONT color="green">481</FONT>         * supplied in the createPath(context, value) call to a non-existent<a name="line.481"></a>
<FONT color="green">482</FONT>         * node. This method may have to expand the collection in order to assign<a name="line.482"></a>
<FONT color="green">483</FONT>         * the element.<a name="line.483"></a>
<FONT color="green">484</FONT>         * @param context the owning JXPathCOntext<a name="line.484"></a>
<FONT color="green">485</FONT>         * @param name the QName at which a child should be created<a name="line.485"></a>
<FONT color="green">486</FONT>         * @param index child index.<a name="line.486"></a>
<FONT color="green">487</FONT>         * @param value node value to set<a name="line.487"></a>
<FONT color="green">488</FONT>         * @return created NodePointer<a name="line.488"></a>
<FONT color="green">489</FONT>         */<a name="line.489"></a>
<FONT color="green">490</FONT>        public NodePointer createChild(<a name="line.490"></a>
<FONT color="green">491</FONT>            JXPathContext context,<a name="line.491"></a>
<FONT color="green">492</FONT>            QName name,<a name="line.492"></a>
<FONT color="green">493</FONT>            int index,<a name="line.493"></a>
<FONT color="green">494</FONT>            Object value) {<a name="line.494"></a>
<FONT color="green">495</FONT>            throw new JXPathException("Cannot create an object for path "<a name="line.495"></a>
<FONT color="green">496</FONT>                    + asPath() + "/" + name + "[" + (index + 1) + "]"<a name="line.496"></a>
<FONT color="green">497</FONT>                    + ", operation is not allowed for this type of node");<a name="line.497"></a>
<FONT color="green">498</FONT>        }<a name="line.498"></a>
<FONT color="green">499</FONT>    <a name="line.499"></a>
<FONT color="green">500</FONT>        /**<a name="line.500"></a>
<FONT color="green">501</FONT>         * Called by a child pointer when it needs to create a parent object for a<a name="line.501"></a>
<FONT color="green">502</FONT>         * non-existent collection element. It may have to expand the collection,<a name="line.502"></a>
<FONT color="green">503</FONT>         * then create an element object and return a new pointer describing the<a name="line.503"></a>
<FONT color="green">504</FONT>         * newly created element.<a name="line.504"></a>
<FONT color="green">505</FONT>         * @param context the owning JXPathCOntext<a name="line.505"></a>
<FONT color="green">506</FONT>         * @param name the QName at which a child should be created<a name="line.506"></a>
<FONT color="green">507</FONT>         * @param index child index.<a name="line.507"></a>
<FONT color="green">508</FONT>         * @return created NodePointer<a name="line.508"></a>
<FONT color="green">509</FONT>         */<a name="line.509"></a>
<FONT color="green">510</FONT>        public NodePointer createChild(JXPathContext context, QName name, int index) {<a name="line.510"></a>
<FONT color="green">511</FONT>            throw new JXPathException("Cannot create an object for path "<a name="line.511"></a>
<FONT color="green">512</FONT>                    + asPath() + "/" + name + "[" + (index + 1) + "]"<a name="line.512"></a>
<FONT color="green">513</FONT>                    + ", operation is not allowed for this type of node");<a name="line.513"></a>
<FONT color="green">514</FONT>        }<a name="line.514"></a>
<FONT color="green">515</FONT>    <a name="line.515"></a>
<FONT color="green">516</FONT>        /**<a name="line.516"></a>
<FONT color="green">517</FONT>         * Called to create a non-existing attribute<a name="line.517"></a>
<FONT color="green">518</FONT>         * @param context the owning JXPathCOntext<a name="line.518"></a>
<FONT color="green">519</FONT>         * @param name the QName at which an attribute should be created<a name="line.519"></a>
<FONT color="green">520</FONT>         * @return created NodePointer<a name="line.520"></a>
<FONT color="green">521</FONT>         */<a name="line.521"></a>
<FONT color="green">522</FONT>        public NodePointer createAttribute(JXPathContext context, QName name) {<a name="line.522"></a>
<FONT color="green">523</FONT>            throw new JXPathException("Cannot create an attribute for path "<a name="line.523"></a>
<FONT color="green">524</FONT>                    + asPath() + "/@" + name<a name="line.524"></a>
<FONT color="green">525</FONT>                    + ", operation is not allowed for this type of node");<a name="line.525"></a>
<FONT color="green">526</FONT>        }<a name="line.526"></a>
<FONT color="green">527</FONT>    <a name="line.527"></a>
<FONT color="green">528</FONT>        /**<a name="line.528"></a>
<FONT color="green">529</FONT>         * If the Pointer has a parent, returns the parent's locale; otherwise<a name="line.529"></a>
<FONT color="green">530</FONT>         * returns the locale specified when this Pointer was created.<a name="line.530"></a>
<FONT color="green">531</FONT>         * @return Locale for this NodePointer<a name="line.531"></a>
<FONT color="green">532</FONT>         */<a name="line.532"></a>
<FONT color="green">533</FONT>        public Locale getLocale() {<a name="line.533"></a>
<FONT color="green">534</FONT>            if (locale == null &amp;&amp; parent != null) {<a name="line.534"></a>
<FONT color="green">535</FONT>                locale = parent.getLocale();<a name="line.535"></a>
<FONT color="green">536</FONT>            }<a name="line.536"></a>
<FONT color="green">537</FONT>            return locale;<a name="line.537"></a>
<FONT color="green">538</FONT>        }<a name="line.538"></a>
<FONT color="green">539</FONT>    <a name="line.539"></a>
<FONT color="green">540</FONT>        /**<a name="line.540"></a>
<FONT color="green">541</FONT>         * Check whether our locale matches the specified language.<a name="line.541"></a>
<FONT color="green">542</FONT>         * @param lang String language to check<a name="line.542"></a>
<FONT color="green">543</FONT>         * @return true if the selected locale name starts<a name="line.543"></a>
<FONT color="green">544</FONT>         *              with the specified prefix &lt;i&gt;lang&lt;/i&gt;, case-insensitive.<a name="line.544"></a>
<FONT color="green">545</FONT>         */<a name="line.545"></a>
<FONT color="green">546</FONT>        public boolean isLanguage(String lang) {<a name="line.546"></a>
<FONT color="green">547</FONT>            Locale loc = getLocale();<a name="line.547"></a>
<FONT color="green">548</FONT>            String name = loc.toString().replace('_', '-');<a name="line.548"></a>
<FONT color="green">549</FONT>            return name.toUpperCase(Locale.ENGLISH).startsWith(lang.toUpperCase(Locale.ENGLISH));<a name="line.549"></a>
<FONT color="green">550</FONT>        }<a name="line.550"></a>
<FONT color="green">551</FONT>    <a name="line.551"></a>
<FONT color="green">552</FONT>        /**<a name="line.552"></a>
<FONT color="green">553</FONT>         * Returns a NodeIterator that iterates over all children or all children<a name="line.553"></a>
<FONT color="green">554</FONT>         * that match the given NodeTest, starting with the specified one.<a name="line.554"></a>
<FONT color="green">555</FONT>         * @param test NodeTest to filter children<a name="line.555"></a>
<FONT color="green">556</FONT>         * @param reverse specified iteration direction<a name="line.556"></a>
<FONT color="green">557</FONT>         * @param startWith the NodePointer to start with<a name="line.557"></a>
<FONT color="green">558</FONT>         * @return NodeIterator<a name="line.558"></a>
<FONT color="green">559</FONT>         */<a name="line.559"></a>
<FONT color="green">560</FONT>        public NodeIterator childIterator(<a name="line.560"></a>
<FONT color="green">561</FONT>            NodeTest test,<a name="line.561"></a>
<FONT color="green">562</FONT>            boolean reverse,<a name="line.562"></a>
<FONT color="green">563</FONT>            NodePointer startWith) {<a name="line.563"></a>
<FONT color="green">564</FONT>            NodePointer valuePointer = getValuePointer();<a name="line.564"></a>
<FONT color="green">565</FONT>            return valuePointer == null || valuePointer == this ? null<a name="line.565"></a>
<FONT color="green">566</FONT>                    : valuePointer.childIterator(test, reverse, startWith);<a name="line.566"></a>
<FONT color="green">567</FONT>        }<a name="line.567"></a>
<FONT color="green">568</FONT>    <a name="line.568"></a>
<FONT color="green">569</FONT>        /**<a name="line.569"></a>
<FONT color="green">570</FONT>         * Returns a NodeIterator that iterates over all attributes of the current<a name="line.570"></a>
<FONT color="green">571</FONT>         * node matching the supplied node name (could have a wildcard).<a name="line.571"></a>
<FONT color="green">572</FONT>         * May return null if the object does not support the attributes.<a name="line.572"></a>
<FONT color="green">573</FONT>         * @param qname the attribute name to test<a name="line.573"></a>
<FONT color="green">574</FONT>         * @return NodeIterator<a name="line.574"></a>
<FONT color="green">575</FONT>         */<a name="line.575"></a>
<FONT color="green">576</FONT>        public NodeIterator attributeIterator(QName qname) {<a name="line.576"></a>
<FONT color="green">577</FONT>            NodePointer valuePointer = getValuePointer();<a name="line.577"></a>
<FONT color="green">578</FONT>            return valuePointer == null || valuePointer == this ? null<a name="line.578"></a>
<FONT color="green">579</FONT>                    : valuePointer.attributeIterator(qname);<a name="line.579"></a>
<FONT color="green">580</FONT>        }<a name="line.580"></a>
<FONT color="green">581</FONT>    <a name="line.581"></a>
<FONT color="green">582</FONT>        /**<a name="line.582"></a>
<FONT color="green">583</FONT>         * Returns a NodeIterator that iterates over all namespaces of the value<a name="line.583"></a>
<FONT color="green">584</FONT>         * currently pointed at.<a name="line.584"></a>
<FONT color="green">585</FONT>         * May return null if the object does not support the namespaces.<a name="line.585"></a>
<FONT color="green">586</FONT>         * @return NodeIterator<a name="line.586"></a>
<FONT color="green">587</FONT>         */<a name="line.587"></a>
<FONT color="green">588</FONT>        public NodeIterator namespaceIterator() {<a name="line.588"></a>
<FONT color="green">589</FONT>            return null;<a name="line.589"></a>
<FONT color="green">590</FONT>        }<a name="line.590"></a>
<FONT color="green">591</FONT>    <a name="line.591"></a>
<FONT color="green">592</FONT>        /**<a name="line.592"></a>
<FONT color="green">593</FONT>         * Returns a NodePointer for the specified namespace. Will return null<a name="line.593"></a>
<FONT color="green">594</FONT>         * if namespaces are not supported.<a name="line.594"></a>
<FONT color="green">595</FONT>         * Will return UNKNOWN_NAMESPACE if there is no such namespace.<a name="line.595"></a>
<FONT color="green">596</FONT>         * @param namespace incoming namespace<a name="line.596"></a>
<FONT color="green">597</FONT>         * @return NodePointer for &lt;code&gt;namespace&lt;/code&gt;<a name="line.597"></a>
<FONT color="green">598</FONT>         */<a name="line.598"></a>
<FONT color="green">599</FONT>        public NodePointer namespacePointer(String namespace) {<a name="line.599"></a>
<FONT color="green">600</FONT>            return null;<a name="line.600"></a>
<FONT color="green">601</FONT>        }<a name="line.601"></a>
<FONT color="green">602</FONT>    <a name="line.602"></a>
<FONT color="green">603</FONT>        /**<a name="line.603"></a>
<FONT color="green">604</FONT>         * Decodes a namespace prefix to the corresponding URI.<a name="line.604"></a>
<FONT color="green">605</FONT>         * @param prefix prefix to decode<a name="line.605"></a>
<FONT color="green">606</FONT>         * @return String uri<a name="line.606"></a>
<FONT color="green">607</FONT>         */<a name="line.607"></a>
<FONT color="green">608</FONT>        public String getNamespaceURI(String prefix) {<a name="line.608"></a>
<FONT color="green">609</FONT>            return null;<a name="line.609"></a>
<FONT color="green">610</FONT>        }<a name="line.610"></a>
<FONT color="green">611</FONT>    <a name="line.611"></a>
<FONT color="green">612</FONT>        /**<a name="line.612"></a>
<FONT color="green">613</FONT>         * Returns the namespace URI associated with this Pointer.<a name="line.613"></a>
<FONT color="green">614</FONT>         * @return String uri<a name="line.614"></a>
<FONT color="green">615</FONT>         */<a name="line.615"></a>
<FONT color="green">616</FONT>        public String getNamespaceURI() {<a name="line.616"></a>
<FONT color="green">617</FONT>            return null;<a name="line.617"></a>
<FONT color="green">618</FONT>        }<a name="line.618"></a>
<FONT color="green">619</FONT>    <a name="line.619"></a>
<FONT color="green">620</FONT>        /**<a name="line.620"></a>
<FONT color="green">621</FONT>         * Returns true if the supplied prefix represents the<a name="line.621"></a>
<FONT color="green">622</FONT>         * default namespace in the context of the current node.<a name="line.622"></a>
<FONT color="green">623</FONT>         * @param prefix the prefix to check<a name="line.623"></a>
<FONT color="green">624</FONT>         * @return &lt;code&gt;true&lt;/code&gt; if prefix is default<a name="line.624"></a>
<FONT color="green">625</FONT>         */<a name="line.625"></a>
<FONT color="green">626</FONT>        protected boolean isDefaultNamespace(String prefix) {<a name="line.626"></a>
<FONT color="green">627</FONT>            if (prefix == null) {<a name="line.627"></a>
<FONT color="green">628</FONT>                return true;<a name="line.628"></a>
<FONT color="green">629</FONT>            }<a name="line.629"></a>
<FONT color="green">630</FONT>    <a name="line.630"></a>
<FONT color="green">631</FONT>            String namespace = getNamespaceURI(prefix);<a name="line.631"></a>
<FONT color="green">632</FONT>            return namespace != null &amp;&amp; namespace.equals(getDefaultNamespaceURI());<a name="line.632"></a>
<FONT color="green">633</FONT>        }<a name="line.633"></a>
<FONT color="green">634</FONT>    <a name="line.634"></a>
<FONT color="green">635</FONT>        /**<a name="line.635"></a>
<FONT color="green">636</FONT>         * Get the default ns uri<a name="line.636"></a>
<FONT color="green">637</FONT>         * @return String uri<a name="line.637"></a>
<FONT color="green">638</FONT>         */<a name="line.638"></a>
<FONT color="green">639</FONT>        protected String getDefaultNamespaceURI() {<a name="line.639"></a>
<FONT color="green">640</FONT>            return null;<a name="line.640"></a>
<FONT color="green">641</FONT>        }<a name="line.641"></a>
<FONT color="green">642</FONT>    <a name="line.642"></a>
<FONT color="green">643</FONT>        /**<a name="line.643"></a>
<FONT color="green">644</FONT>         * Locates a node by ID.<a name="line.644"></a>
<FONT color="green">645</FONT>         * @param context JXPathContext owning context<a name="line.645"></a>
<FONT color="green">646</FONT>         * @param id String id<a name="line.646"></a>
<FONT color="green">647</FONT>         * @return Pointer found<a name="line.647"></a>
<FONT color="green">648</FONT>         */<a name="line.648"></a>
<FONT color="green">649</FONT>        public Pointer getPointerByID(JXPathContext context, String id) {<a name="line.649"></a>
<FONT color="green">650</FONT>            return context.getPointerByID(id);<a name="line.650"></a>
<FONT color="green">651</FONT>        }<a name="line.651"></a>
<FONT color="green">652</FONT>    <a name="line.652"></a>
<FONT color="green">653</FONT>        /**<a name="line.653"></a>
<FONT color="green">654</FONT>         * Locates a node by key and value.<a name="line.654"></a>
<FONT color="green">655</FONT>         * @param context owning JXPathContext<a name="line.655"></a>
<FONT color="green">656</FONT>         * @param key key to search for<a name="line.656"></a>
<FONT color="green">657</FONT>         * @param value value to match<a name="line.657"></a>
<FONT color="green">658</FONT>         * @return Pointer found<a name="line.658"></a>
<FONT color="green">659</FONT>         */<a name="line.659"></a>
<FONT color="green">660</FONT>        public Pointer getPointerByKey(<a name="line.660"></a>
<FONT color="green">661</FONT>                JXPathContext context,<a name="line.661"></a>
<FONT color="green">662</FONT>                String key,<a name="line.662"></a>
<FONT color="green">663</FONT>                String value) {<a name="line.663"></a>
<FONT color="green">664</FONT>            return context.getPointerByKey(key, value);<a name="line.664"></a>
<FONT color="green">665</FONT>        }<a name="line.665"></a>
<FONT color="green">666</FONT>    <a name="line.666"></a>
<FONT color="green">667</FONT>        /**<a name="line.667"></a>
<FONT color="green">668</FONT>         * Find a NodeSet by key/value.<a name="line.668"></a>
<FONT color="green">669</FONT>         * @param context owning JXPathContext<a name="line.669"></a>
<FONT color="green">670</FONT>         * @param key key to search for<a name="line.670"></a>
<FONT color="green">671</FONT>         * @param value value to match<a name="line.671"></a>
<FONT color="green">672</FONT>         * @return NodeSet found<a name="line.672"></a>
<FONT color="green">673</FONT>         */<a name="line.673"></a>
<FONT color="green">674</FONT>        public NodeSet getNodeSetByKey(JXPathContext context, String key, Object value) {<a name="line.674"></a>
<FONT color="green">675</FONT>            return context.getNodeSetByKey(key, value);<a name="line.675"></a>
<FONT color="green">676</FONT>        }<a name="line.676"></a>
<FONT color="green">677</FONT>    <a name="line.677"></a>
<FONT color="green">678</FONT>        /**<a name="line.678"></a>
<FONT color="green">679</FONT>         * Returns an XPath that maps to this Pointer.<a name="line.679"></a>
<FONT color="green">680</FONT>         * @return String xpath expression<a name="line.680"></a>
<FONT color="green">681</FONT>         */<a name="line.681"></a>
<FONT color="green">682</FONT>        public String asPath() {<a name="line.682"></a>
<FONT color="green">683</FONT>            // If the parent of this node is a container, it is responsible<a name="line.683"></a>
<FONT color="green">684</FONT>            // for appended this node's part of the path.<a name="line.684"></a>
<FONT color="green">685</FONT>            if (parent != null &amp;&amp; parent.isContainer()) {<a name="line.685"></a>
<FONT color="green">686</FONT>                return parent.asPath();<a name="line.686"></a>
<FONT color="green">687</FONT>            }<a name="line.687"></a>
<FONT color="green">688</FONT>    <a name="line.688"></a>
<FONT color="green">689</FONT>            StringBuffer buffer = new StringBuffer();<a name="line.689"></a>
<FONT color="green">690</FONT>            if (parent != null) {<a name="line.690"></a>
<FONT color="green">691</FONT>                buffer.append(parent.asPath());<a name="line.691"></a>
<FONT color="green">692</FONT>            }<a name="line.692"></a>
<FONT color="green">693</FONT>    <a name="line.693"></a>
<FONT color="green">694</FONT>            if (buffer.length() == 0<a name="line.694"></a>
<FONT color="green">695</FONT>                || buffer.charAt(buffer.length() - 1) != '/') {<a name="line.695"></a>
<FONT color="green">696</FONT>                buffer.append('/');<a name="line.696"></a>
<FONT color="green">697</FONT>            }<a name="line.697"></a>
<FONT color="green">698</FONT>            if (attribute) {<a name="line.698"></a>
<FONT color="green">699</FONT>                buffer.append('@');<a name="line.699"></a>
<FONT color="green">700</FONT>            }<a name="line.700"></a>
<FONT color="green">701</FONT>            buffer.append(getName());<a name="line.701"></a>
<FONT color="green">702</FONT>    <a name="line.702"></a>
<FONT color="green">703</FONT>            if (index != WHOLE_COLLECTION &amp;&amp; isCollection()) {<a name="line.703"></a>
<FONT color="green">704</FONT>                buffer.append('[').append(index + 1).append(']');<a name="line.704"></a>
<FONT color="green">705</FONT>            }<a name="line.705"></a>
<FONT color="green">706</FONT>            return buffer.toString();<a name="line.706"></a>
<FONT color="green">707</FONT>        }<a name="line.707"></a>
<FONT color="green">708</FONT>    <a name="line.708"></a>
<FONT color="green">709</FONT>        /**<a name="line.709"></a>
<FONT color="green">710</FONT>         * Clone this NodePointer.<a name="line.710"></a>
<FONT color="green">711</FONT>         * @return cloned NodePointer<a name="line.711"></a>
<FONT color="green">712</FONT>         */<a name="line.712"></a>
<FONT color="green">713</FONT>        public Object clone() {<a name="line.713"></a>
<FONT color="green">714</FONT>            try {<a name="line.714"></a>
<FONT color="green">715</FONT>                NodePointer ptr = (NodePointer) super.clone();<a name="line.715"></a>
<FONT color="green">716</FONT>                if (parent != null) {<a name="line.716"></a>
<FONT color="green">717</FONT>                    ptr.parent = (NodePointer) parent.clone();<a name="line.717"></a>
<FONT color="green">718</FONT>                }<a name="line.718"></a>
<FONT color="green">719</FONT>                return ptr;<a name="line.719"></a>
<FONT color="green">720</FONT>            }<a name="line.720"></a>
<FONT color="green">721</FONT>            catch (CloneNotSupportedException ex) {<a name="line.721"></a>
<FONT color="green">722</FONT>                // Of course it is supported<a name="line.722"></a>
<FONT color="green">723</FONT>                ex.printStackTrace();<a name="line.723"></a>
<FONT color="green">724</FONT>            }<a name="line.724"></a>
<FONT color="green">725</FONT>            return null;<a name="line.725"></a>
<FONT color="green">726</FONT>        }<a name="line.726"></a>
<FONT color="green">727</FONT>    <a name="line.727"></a>
<FONT color="green">728</FONT>        public String toString() {<a name="line.728"></a>
<FONT color="green">729</FONT>            return asPath();<a name="line.729"></a>
<FONT color="green">730</FONT>        }<a name="line.730"></a>
<FONT color="green">731</FONT>    <a name="line.731"></a>
<FONT color="green">732</FONT>        public int compareTo(Object object) {<a name="line.732"></a>
<FONT color="green">733</FONT>            if (object == this) {<a name="line.733"></a>
<FONT color="green">734</FONT>                return 0;<a name="line.734"></a>
<FONT color="green">735</FONT>            }<a name="line.735"></a>
<FONT color="green">736</FONT>            // Let it throw a ClassCastException<a name="line.736"></a>
<FONT color="green">737</FONT>            NodePointer pointer = (NodePointer) object;<a name="line.737"></a>
<FONT color="green">738</FONT>            if (parent == pointer.parent) {<a name="line.738"></a>
<FONT color="green">739</FONT>                return parent == null ? 0 : parent.compareChildNodePointers(this, pointer);<a name="line.739"></a>
<FONT color="green">740</FONT>            }<a name="line.740"></a>
<FONT color="green">741</FONT>    <a name="line.741"></a>
<FONT color="green">742</FONT>            // Task 1: find the common parent<a name="line.742"></a>
<FONT color="green">743</FONT>            int depth1 = 0;<a name="line.743"></a>
<FONT color="green">744</FONT>            NodePointer p1 = this;<a name="line.744"></a>
<FONT color="green">745</FONT>            HashSet parents1 = new HashSet();<a name="line.745"></a>
<FONT color="green">746</FONT>            while (p1 != null) {<a name="line.746"></a>
<FONT color="green">747</FONT>                depth1++;<a name="line.747"></a>
<FONT color="green">748</FONT>                p1 = p1.parent;<a name="line.748"></a>
<FONT color="green">749</FONT>                if (p1 != null) {<a name="line.749"></a>
<FONT color="green">750</FONT>                    parents1.add(p1);<a name="line.750"></a>
<FONT color="green">751</FONT>                }<a name="line.751"></a>
<FONT color="green">752</FONT>            }<a name="line.752"></a>
<FONT color="green">753</FONT>            boolean commonParentFound = false;<a name="line.753"></a>
<FONT color="green">754</FONT>            int depth2 = 0;<a name="line.754"></a>
<FONT color="green">755</FONT>            NodePointer p2 = pointer;<a name="line.755"></a>
<FONT color="green">756</FONT>            while (p2 != null) {<a name="line.756"></a>
<FONT color="green">757</FONT>                depth2++;<a name="line.757"></a>
<FONT color="green">758</FONT>                p2 = p2.parent;<a name="line.758"></a>
<FONT color="green">759</FONT>                if (parents1.contains(p2)) {<a name="line.759"></a>
<FONT color="green">760</FONT>                    commonParentFound = true;<a name="line.760"></a>
<FONT color="green">761</FONT>                }<a name="line.761"></a>
<FONT color="green">762</FONT>            }<a name="line.762"></a>
<FONT color="green">763</FONT>            //nodes from different graphs are equal, else continue comparison:<a name="line.763"></a>
<FONT color="green">764</FONT>            return commonParentFound ? compareNodePointers(this, depth1, pointer, depth2) : 0;<a name="line.764"></a>
<FONT color="green">765</FONT>        }<a name="line.765"></a>
<FONT color="green">766</FONT>    <a name="line.766"></a>
<FONT color="green">767</FONT>        /**<a name="line.767"></a>
<FONT color="green">768</FONT>         * Compare node pointers.<a name="line.768"></a>
<FONT color="green">769</FONT>         * @param p1 pointer 1<a name="line.769"></a>
<FONT color="green">770</FONT>         * @param depth1 depth 1<a name="line.770"></a>
<FONT color="green">771</FONT>         * @param p2 pointer 2<a name="line.771"></a>
<FONT color="green">772</FONT>         * @param depth2 depth 2<a name="line.772"></a>
<FONT color="green">773</FONT>         * @return comparison result: (&lt; 0) -&gt; (p1 lt p2); (0) -&gt; (p1 eq p2); (&gt; 0) -&gt; (p1 gt p2)<a name="line.773"></a>
<FONT color="green">774</FONT>         */<a name="line.774"></a>
<FONT color="green">775</FONT>        private int compareNodePointers(<a name="line.775"></a>
<FONT color="green">776</FONT>            NodePointer p1,<a name="line.776"></a>
<FONT color="green">777</FONT>            int depth1,<a name="line.777"></a>
<FONT color="green">778</FONT>            NodePointer p2,<a name="line.778"></a>
<FONT color="green">779</FONT>            int depth2) {<a name="line.779"></a>
<FONT color="green">780</FONT>            if (depth1 &lt; depth2) {<a name="line.780"></a>
<FONT color="green">781</FONT>                int r = compareNodePointers(p1, depth1, p2.parent, depth2 - 1);<a name="line.781"></a>
<FONT color="green">782</FONT>                return r == 0 ? -1 : r;<a name="line.782"></a>
<FONT color="green">783</FONT>            }<a name="line.783"></a>
<FONT color="green">784</FONT>            if (depth1 &gt; depth2) {<a name="line.784"></a>
<FONT color="green">785</FONT>                int r = compareNodePointers(p1.parent, depth1 - 1, p2, depth2);<a name="line.785"></a>
<FONT color="green">786</FONT>                return r == 0 ? 1 : r;<a name="line.786"></a>
<FONT color="green">787</FONT>            }<a name="line.787"></a>
<FONT color="green">788</FONT>            //henceforth depth1 == depth2:<a name="line.788"></a>
<FONT color="green">789</FONT>            if (p1 == p2 || p1 != null &amp;&amp; p1.equals(p2)) {<a name="line.789"></a>
<FONT color="green">790</FONT>                return 0;<a name="line.790"></a>
<FONT color="green">791</FONT>            }<a name="line.791"></a>
<FONT color="green">792</FONT>            if (depth1 == 1) {<a name="line.792"></a>
<FONT color="green">793</FONT>                throw new JXPathException(<a name="line.793"></a>
<FONT color="green">794</FONT>                        "Cannot compare pointers that do not belong to the same tree: '"<a name="line.794"></a>
<FONT color="green">795</FONT>                        + p1 + "' and '" + p2 + "'");<a name="line.795"></a>
<FONT color="green">796</FONT>            }<a name="line.796"></a>
<FONT color="green">797</FONT>            int r = compareNodePointers(p1.parent, depth1 - 1, p2.parent, depth2 - 1);<a name="line.797"></a>
<FONT color="green">798</FONT>            return r == 0 ? p1.parent.compareChildNodePointers(p1, p2) : r;<a name="line.798"></a>
<FONT color="green">799</FONT>        }<a name="line.799"></a>
<FONT color="green">800</FONT>    <a name="line.800"></a>
<FONT color="green">801</FONT>        /**<a name="line.801"></a>
<FONT color="green">802</FONT>         * Print internal structure of a pointer for debugging<a name="line.802"></a>
<FONT color="green">803</FONT>         */<a name="line.803"></a>
<FONT color="green">804</FONT>        public void printPointerChain() {<a name="line.804"></a>
<FONT color="green">805</FONT>            printDeep(this, "");<a name="line.805"></a>
<FONT color="green">806</FONT>        }<a name="line.806"></a>
<FONT color="green">807</FONT>    <a name="line.807"></a>
<FONT color="green">808</FONT>        /**<a name="line.808"></a>
<FONT color="green">809</FONT>         * Return a string escaping single and double quotes.<a name="line.809"></a>
<FONT color="green">810</FONT>         * @param string string to treat<a name="line.810"></a>
<FONT color="green">811</FONT>         * @return string with any necessary changes made.<a name="line.811"></a>
<FONT color="green">812</FONT>         */<a name="line.812"></a>
<FONT color="green">813</FONT>        protected String escape(String string) {<a name="line.813"></a>
<FONT color="green">814</FONT>            final char[] c = new char[] { '\'', '"' };<a name="line.814"></a>
<FONT color="green">815</FONT>            final String[] esc = new String[] { "&amp;apos;", "&amp;quot;" };<a name="line.815"></a>
<FONT color="green">816</FONT>            StringBuffer sb = null;<a name="line.816"></a>
<FONT color="green">817</FONT>            for (int i = 0; sb == null &amp;&amp; i &lt; c.length; i++) {<a name="line.817"></a>
<FONT color="green">818</FONT>                if (string.indexOf(c[i]) &gt;= 0) {<a name="line.818"></a>
<FONT color="green">819</FONT>                    sb = new StringBuffer(string);<a name="line.819"></a>
<FONT color="green">820</FONT>                }<a name="line.820"></a>
<FONT color="green">821</FONT>            }<a name="line.821"></a>
<FONT color="green">822</FONT>            if (sb == null) {<a name="line.822"></a>
<FONT color="green">823</FONT>                return string;<a name="line.823"></a>
<FONT color="green">824</FONT>            }<a name="line.824"></a>
<FONT color="green">825</FONT>            for (int i = 0; i &lt; c.length; i++) {<a name="line.825"></a>
<FONT color="green">826</FONT>                if (string.indexOf(c[i]) &lt; 0) {<a name="line.826"></a>
<FONT color="green">827</FONT>                    continue;<a name="line.827"></a>
<FONT color="green">828</FONT>                }<a name="line.828"></a>
<FONT color="green">829</FONT>                int pos = 0;<a name="line.829"></a>
<FONT color="green">830</FONT>                while (pos &lt; sb.length()) {<a name="line.830"></a>
<FONT color="green">831</FONT>                    if (sb.charAt(pos) == c[i]) {<a name="line.831"></a>
<FONT color="green">832</FONT>                        sb.replace(pos, pos + 1, esc[i]);<a name="line.832"></a>
<FONT color="green">833</FONT>                        pos += esc[i].length();<a name="line.833"></a>
<FONT color="green">834</FONT>                    }<a name="line.834"></a>
<FONT color="green">835</FONT>                    else {<a name="line.835"></a>
<FONT color="green">836</FONT>                        pos++;<a name="line.836"></a>
<FONT color="green">837</FONT>                    }<a name="line.837"></a>
<FONT color="green">838</FONT>                }<a name="line.838"></a>
<FONT color="green">839</FONT>            }<a name="line.839"></a>
<FONT color="green">840</FONT>            return sb.toString();<a name="line.840"></a>
<FONT color="green">841</FONT>        }<a name="line.841"></a>
<FONT color="green">842</FONT>    <a name="line.842"></a>
<FONT color="green">843</FONT>        /**<a name="line.843"></a>
<FONT color="green">844</FONT>         * Get the AbstractFactory associated with the specified JXPathContext.<a name="line.844"></a>
<FONT color="green">845</FONT>         * @param context JXPathContext<a name="line.845"></a>
<FONT color="green">846</FONT>         * @return AbstractFactory<a name="line.846"></a>
<FONT color="green">847</FONT>         */<a name="line.847"></a>
<FONT color="green">848</FONT>        protected AbstractFactory getAbstractFactory(JXPathContext context) {<a name="line.848"></a>
<FONT color="green">849</FONT>            AbstractFactory factory = context.getFactory();<a name="line.849"></a>
<FONT color="green">850</FONT>            if (factory == null) {<a name="line.850"></a>
<FONT color="green">851</FONT>                throw new JXPathException(<a name="line.851"></a>
<FONT color="green">852</FONT>                    "Factory is not set on the JXPathContext - cannot create path: "<a name="line.852"></a>
<FONT color="green">853</FONT>                        + asPath());<a name="line.853"></a>
<FONT color="green">854</FONT>            }<a name="line.854"></a>
<FONT color="green">855</FONT>            return factory;<a name="line.855"></a>
<FONT color="green">856</FONT>        }<a name="line.856"></a>
<FONT color="green">857</FONT>    <a name="line.857"></a>
<FONT color="green">858</FONT>        /**<a name="line.858"></a>
<FONT color="green">859</FONT>         * Print deep<a name="line.859"></a>
<FONT color="green">860</FONT>         * @param pointer to print<a name="line.860"></a>
<FONT color="green">861</FONT>         * @param indent indentation level<a name="line.861"></a>
<FONT color="green">862</FONT>         */<a name="line.862"></a>
<FONT color="green">863</FONT>        private static void printDeep(NodePointer pointer, String indent) {<a name="line.863"></a>
<FONT color="green">864</FONT>            if (indent.length() == 0) {<a name="line.864"></a>
<FONT color="green">865</FONT>                System.err.println(<a name="line.865"></a>
<FONT color="green">866</FONT>                    "POINTER: "<a name="line.866"></a>
<FONT color="green">867</FONT>                        + pointer<a name="line.867"></a>
<FONT color="green">868</FONT>                        + "("<a name="line.868"></a>
<FONT color="green">869</FONT>                        + pointer.getClass().getName()<a name="line.869"></a>
<FONT color="green">870</FONT>                        + ")");<a name="line.870"></a>
<FONT color="green">871</FONT>            }<a name="line.871"></a>
<FONT color="green">872</FONT>            else {<a name="line.872"></a>
<FONT color="green">873</FONT>                System.err.println(<a name="line.873"></a>
<FONT color="green">874</FONT>                    indent<a name="line.874"></a>
<FONT color="green">875</FONT>                        + " of "<a name="line.875"></a>
<FONT color="green">876</FONT>                        + pointer<a name="line.876"></a>
<FONT color="green">877</FONT>                        + "("<a name="line.877"></a>
<FONT color="green">878</FONT>                        + pointer.getClass().getName()<a name="line.878"></a>
<FONT color="green">879</FONT>                        + ")");<a name="line.879"></a>
<FONT color="green">880</FONT>            }<a name="line.880"></a>
<FONT color="green">881</FONT>            if (pointer.getImmediateParentPointer() != null) {<a name="line.881"></a>
<FONT color="green">882</FONT>                printDeep(pointer.getImmediateParentPointer(), indent + "  ");<a name="line.882"></a>
<FONT color="green">883</FONT>            }<a name="line.883"></a>
<FONT color="green">884</FONT>        }<a name="line.884"></a>
<FONT color="green">885</FONT>    }<a name="line.885"></a>




























































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